<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
            width: 100px;
            height: 100px;
            background-color: orange;
            border-radius: 100% 0;
            margin: 100px;
            border: 4px solid tomato;
            box-shadow:0 0 10px rgb(205, 104, 2), 0 0 10px 30px yellow,
            inset 0 0 20px yellow;

            /* 去掉阴影 */
            /* box-shadow: none; */

            
        }
    </style>
</head>
<body>
    <div class="box">

    </div>
</body>
</html>